Balloon sealing device



FIG. 1 is a perspective view of a balloon sealing device showing my newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof which is identical to a rearelevational view thereof; and,

FIG. 5 is a right side view thereof which is identical to a left sideview thereof.

The ornamental design for a balloon sealing device, as shown anddescribed.